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MANUAL GRUPO HIDRÁULICO SUELO RADIANTE ... - Orkli

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1.<br />

FUNCTION<br />

The hydraulic unit for underfloor heating/cooling systems is a set of components containing the hydraulic elements required for<br />

the underfloor heating circuit. The hydraulic units pump the water channelled towards the underfloor heating circuit and regulate<br />

its temperature.<br />

2.<br />

COMPONENTS<br />

Components and functions:<br />

1. Mixer:<br />

The mixer regulates the temperature of<br />

the underfloor heating circuit. There are<br />

two types:<br />

a. Single point mixer. This is a manual<br />

mixer that can mix water within a<br />

temperature range of 25-55ºC.<br />

b. Variable point mixer. This mixer<br />

is powered by a 230V electric<br />

motor. With the aid of a central<br />

unit and an external sensor, the<br />

variable point mixer regulates the<br />

flow temperature according to the<br />

exterior temperature.<br />

2. Pump: Types: see catalogue.<br />

3. Shut-off valves with thermometers (flow<br />

branch).<br />

4. Differential pressure valve. This valve<br />

has a calibration range of 0.1-0.6 bar.<br />

(Optional)<br />

5. Shut-off valves with thermometers (flow<br />

and return branches).<br />

6. Insulating casing in expanded<br />

polypropylene (EPP).<br />

7. Wall mounting support.<br />

4.<br />

0,8<br />

3.<br />

5.<br />

2.<br />

1.<br />

6.<br />

7.<br />

3.<br />

TECHNICAL CHARACTERISTICS<br />

• 1” female connections for boiler flow and return.<br />

• Maximum operating temperature: 110ºC.<br />

• Maximum operating pressure: 6 bar.<br />

• Centre distance: 125 mm.<br />

• Differential pressure valve scale: 0.1 - 0.6 bar.<br />

• Mixing valve temperature range: 25ºC-55ºC.<br />

• Thermometer temperature range: 0-120ºC.<br />

• Materials:<br />

- Insulation: EPP.<br />

- Expanded polypropylene density: 50 gr/l.<br />

- UNE-EN_12735-1 copper pipes.<br />

- Brass bodies: EN 12165.<br />

- Seals: EPDM.<br />

• Pump characteristics:<br />

- Distance between connections: 180 mm.<br />

- Connections: 1½”.<br />

7

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